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a) Three equivalent charges 2.0 micro coulomb each, are held fixed at the three corners of an equilateral triangle of side 5 cm. Determine the Coulomb force experienced at its centre.
b) An electric field of 20N/C exists along the X-axis in space. Measure the potential difference VB-VA where the points A and B are given by (a) A = (0,0) and B = (4,2) metre.
(b) A = (4,2) meter and B=(6,5) metre.
example of like paralle forces
The formula y=A cos ?(t-x/v), describes a wave that moves in the +x direction along a stretched string. Show that this formula is a solution of the wave equation?
These resistors change their resistance with variations of incident light energy. MANUFACTURING: Cadmium sulphide is obtained in a highly pure state. By adding special m
An alternating voltage v=250sin800t volts is applied across a series circuit having a 30 resistor and 50µF capacitor. Calculate (a) the circuit impedance, (b) the current ?
(1) Melting point : 936 0 C (2) Atomic number : 32 (3) Energy gap : 0.6ev (4) It is a gray metallic looking mat
Q. In a galvanometer, increasing the current sensitivity does not necessarily increase voltage sensitivity. Explain An interesting point to note is that raising the current sen
Two blocks are tied together by a horizontal string and pulled a distance of 2.7 m across an air hockey table with a constant force of 35 N. The force is directed at an upward angl
With Schematic diagram explain the working of a Michelson interferometer. Obtain the expression for radii of circular interference fringes. How shall you use it to measure waveleng
A steam turbine takes in saturated steam at 300 C and outputs steam at 4 bar. If the efficiency of the turbine is 65%, calculate: a. The final composition (vapor vs. Liquid) of
Is CPH a quantum energy unchangeable? Answer- Yes, the quantum energy (photon) is made of lots CPH, different between photons depend to the number of CPH that they are made of.
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